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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Engine Parts & Accessories

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Cat-Back Exhaust System

ES#3175521 - 252561TM - Cat-Back Exhaust System - 2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler - Techtonics Tuning - Audi

2.5" T-304 Stainless Steel exhaust system with dual tip Magnaflow muffler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175521
Mfg#:
252561TM
Ships in 8 Business Days
$687.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Impulse Rotor

ES#4135797 - 050105189K - Impulse Rotor - Used by the crankshaft position sensor - Genuine Volkswagen Audi - Audi Volkswagen

Used by the crankshaft position sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4135797
Mfg#:
050105189K
Ships in 1 day
7% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$104.99

This product was last offered at the strikethrough price on
06-10-2026

$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Belt Damper

ES#1306806 - 06B109477A - Timing Belt Damper - Applies pressure to the tensioning roller - NTN - Audi Volkswagen

Applies pressure to the tensioning roller affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-1-042385, split is in the 2001 model year

Brand:
NTN - Corporate Logo
ES#:
1306806
Mfg#:
06B109477A
Ships in 3 Business Days
$75.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hemi Throttle Body - 80mm

ES#3957096 - 53032801AC - Hemi Throttle Body - 80mm - Direct plug and play - Mopar - Audi Volkswagen

Direct plug and play affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires Hemi adapter or Intake Manifold for 80mm throttle body

Brand:
Mopar - Corporate Logo
ES#:
3957096
Mfg#:
53032801AC
Ships in 4 Business Days
$449.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbosmart Gen-V Race Port BOV - Black

ES#4007248 - TS-0204-1132 - Turbosmart Gen-V Race Port BOV - Black - The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines - TurboSmart - Audi Volkswagen

The Race Port is famous for being an amazingly small and light BOV for turbocharged competition level engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*General use blow off valve for custom big turbo applications - Not a direct fit valve*

Brand:
TurboSmart - Corporate Logo
ES#:
4007248
Mfg#:
TS-0204-1132
In Stock at Vendor
$335.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbocharger Gasket

ES#2526 - 06A253039E - Turbocharger Gasket - Seals the turbocharger to the exhaust manifold - Elring - Audi Volkswagen

Seals the turbocharger to the exhaust manifold affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2526
Mfg#:
06A253039E
In Stock
$6.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Level Sensor O-Ring

ES#3706755 - 038103196 - Oil Level Sensor O-Ring - Seals oil level sensor to the oil pan - Elring - Audi Volkswagen Porsche

Seals oil level sensor to the oil pan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3706755
Mfg#:
038103196
In Stock
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Rear Main Seal Upgrade - With Installation Tool & Sealant

ES#4069853 - 462-103-171AKT - Billet Aluminum Rear Main Seal Upgrade - With Installation Tool & Sealant - Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job. - Assembled By ECS - Audi Volkswagen

Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AWM

Brand:
Assembled By ECS - Corporate Logo
ES#:
4069853
Mfg#:
462-103-171AKT
Back Ordered
Auto Notify
$132.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Ignition Coil - Priced Each

ES#1551 - 06B905115E - Ignition Coil - Priced Each - Keep your engine running smooth - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine running smooth affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1551
Mfg#:
06B905115E
In Stock
20% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$86.99

This product was last offered at the strikethrough price on
02-23-2026

$69.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1.8T Performance Ignition Service Kit

ES#5338629 - 056059LA084ISKT2 - 1.8T Performance Ignition Service Kit - Featuring one step colder, copper core NGK spark plugs & ECS performance ignition coils for increased spark energy. - ECS - Audi Volkswagen

Featuring one step colder, copper core NGK spark plugs & ECS performance ignition coils for increased spark energy. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles with Engine Codes ATW and AEB (Bolt-In Style Ignition Coils)

Brand:
ECS - Corporate Logo
ES#:
5338629
Mfg#:
056059LA084ISKT2
Ships in 3 Business Days
ON SALE! SAVE 25%
$176.99

This product was last offered at the strikethrough price on
05-02-2026

$132.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Premium Oil Service Kit

ES#2817105 - 2332KT1 - Premium Oil Service Kit - Includes large Mann oil filter and Liqui-Moly High Tech 5w-40 oil - Assembled By ECS - Audi

Includes large Mann oil filter and Liqui-Moly High Tech 5w-40 oil affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine codes ATW & AWM. Engine code AEB from VIN 8D-X-200001, split is in the 1999 model year (or with the updated oil pan).

Brand:
Assembled By ECS - Corporate Logo
ES#:
2817105
Mfg#:
2332KT1
In Stock
ON SALE!
$70.99

This product was last offered at the strikethrough price on
05-02-2026

$69.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Coil Pack Hold Down Kit - Black

ES#260956 - ECS42725KT-A - Coil Pack Hold Down Kit - Black - A creative & attractive solution for your coil pack "popping" problem - ECS - Audi Volkswagen

A creative & attractive solution for your coil pack "popping" problem affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Engine code AWM

Brand:
ECS - Corporate Logo
ES#:
260956
Mfg#:
ECS42725KT-A
Ships on Jul 14, 2026
Auto Notify
ON SALE! SAVE 10%
$121.99

This product was last offered at the strikethrough price on
05-02-2026

$109.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged Rifle Drilled H-Beam Connecting Rods

ES#2794960 - IERHVA2RD - Forged Rifle Drilled H-Beam Connecting Rods - Set of 4, rifle drilled - Integrated Engineering - Audi Volkswagen

Set of 4, rifle drilled affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Drop in for engine code AWM only

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794960
Mfg#:
IERHVA2RD
Ships in 4 Business Days
$657.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coil - Priced Each

ES#2680957 - 06A905115D - Ignition Coil - Priced Each - Keep your engine running smooth - Bremi - Audi Volkswagen

Keep your engine running smooth affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Bremi - Corporate Logo
ES#:
2680957
Mfg#:
06A905115D
In Stock
16% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$29.85

This product was last offered at the strikethrough price on
03-25-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

F21 Hybrid Turbocharger

ES#2840950 - f21l - F21 Hybrid Turbocharger - Complete bolt on Turbo upgrade includes exhaust manifold & Turbo inlet hose - FrankenTurbo - Audi

Complete bolt on Turbo upgrade includes exhaust manifold & Turbo inlet hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FrankenTurbo - Corporate Logo
ES#:
2840950
Mfg#:
F21L
Ships in 3 Business Days
$1299.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Coils - Set Of Four

ES#258813 - 058AEBKT - Ignition Coils - Set Of Four - A common cure for misfire codes - Genuine Volkswagen Audi - Audi Volkswagen

A common cure for misfire codes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
258813
Mfg#:
058AEBKT
In Stock
$646.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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